I had been having issues with the Dart getting warm in traffic. I had a jag clutch / fan that never seemed to pull a lot of air. I replaced it with the following, and a 1" spacer.

http://www.summitracing.com/parts/sum-g4917

Am running the stock 318 radiator, re-cored to 3 rows. Engine is stock/rebuilt 68' 383, with carb, headers, intake.

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